X-20=31

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Solution for X-20=31 equation: 


Simplifying
X + -20 = 31

Reorder the terms:
-20 + X = 31

Solving
-20 + X = 31

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '20' to each side of the equation.
-20 + 20 + X = 31 + 20

Combine like terms: -20 + 20 = 0
0 + X = 31 + 20
X = 31 + 20

Combine like terms: 31 + 20 = 51
X = 51

Simplifying
X = 51

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